on *:snotice:*Client connecting on*:{
  inc %xxx. [ $+ [ $gettok($gettok($10,2,64),1,41) ] ] 
  if %xxx. [ $+ [ $gettok($gettok($10,2,64),1,41) ] ] >= 4 { 
    .gline $gettok($gettok($10,2,64),1,41) Limit is 4!!!
    unset %xxx. [ $+ [ $gettok($gettok($10,2,64),1,41) ] ]
  }
}